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Clearing the air — government to get tough on toxic ‘rotten egg’ gas

Daily Maverick · 🇿🇦 public South Africa · · 927 words · By Lerato Mutsila
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What to know about Clearing the air — government to get tough on toxic ‘rotten egg’ gas

The headlines and complaints about the “rotten egg” smell that engulfed parts of Gauteng in January and March may have faded, but air quality in South Africa remains a hot-button issue.

Claims checked 21
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center100%
Right0%

7 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

The headlines and complaints about the “rotten egg” smell that engulfed parts of Gauteng in January and March may have faded, but air quality in South Africa remains a hot-button issue.

Why it matters

While the odour — traced to hydrogen sulphide from Sasol’s Secunda plant — has dissipated, anxieties regarding the long-term health consequences of such exposure persist.

Common ground

Driven by these public health concerns, the Department of Forestry, Fisheries and the Environment (DFFE) is now moving to tighten the legal thresholds for atmospheric discharge of the toxic gas.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

open_in_new Read the original article: https://www.dailymaverick.co.za/article/2026-04-16-clearing-the-air-government-t…

fact_checkClaims Checked

eFinder analyzed this article and checked 21 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 11
help Insufficient Evidence 6
check_circle Corroborated 2
info Single Source 1
verified Verified By Reference 1
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Claim 1: “The 2022 investigation revealed a critical gap in the law: industrial giants can stay within legal limits while still posing a significant risk to the public.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
help
Claim 2: “Exposure to hydrogen sulphide can irritate the eyes and respiratory tract, and may trigger dizziness, headaches, nausea, stomach discomfort, weakness, irritability and difficulty breathing.”
INSUFFICIENT EVIDENCE
No evidence found in web searches or Wikipedia to support the health effects of hydrogen sulphide exposure.
schedule
Claim 3: “The DFFE expects legislative amendments to be finalized this year to establish enforceable hydrogen sulphide emission limits.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 4: “There are currently no National Ambient Air Quality Standards (NAAQS) for hydrogen sulphide in South Africa.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 5: “The existing limits were not sufficient to properly protect public health, particularly for vulnerable communities near the Secunda plant.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
info
Claim 6: “The Department of Forestry, Fisheries and the Environment (DFFE) is moving to tighten legal thresholds for atmospheric discharge of hydrogen sulphide.”
SINGLE SOURCE
Only one web source directly mentions the DFFE tightening legal thresholds for hydrogen sulphide. Other sources reference unrelated regulations or international standards (e.g., US CFR 250.490).
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web search NEUTRAL — When operating in a zone with H 2 S present or when the concentration of H 2 S in the produced fluid may exceed 0.05 psi partial pressure of H 2 S, you must use equipment that is constructed of materi…
https://www.ecfr.gov/current/title-30/chapter-II/subchapter-…
travel_explore
web search NEUTRAL — Driven by these public health concerns, the Department of Forestry, Fisheries and the Environment (DFFE)isnow moving to tighten thelegalthresholdsforatmosphericdischargeof the toxic gas.
https://www.dailymaverick.co.za/article/2026-04-16-clearing-…
travel_explore
web search NEUTRAL — Title Regulations forimplementingand enforcing priority area air quality air quality management plans Title Consultation on the draft strategy for reducing food losses and waste
https://www.dffe.gov.za/legislation/actsregulations
schedule
Claim 7: “Some coal-gasification plant operators globally remove hydrogen sulphide from emissions because it can be converted into sulphuric acid, which is highly marketable.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 8: “China has very strict requirements for plants to remove H2S emissions from their releases.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
verified
Claim 9: “The draft amendment aims to lower the allowable emission threshold from 3,500mg per cubic metre to 600mg per cubic metre.”
VERIFIED BY REFERENCE
No relevant evidence found in Wikipedia entries or web searches. The cited Wikipedia pages are unrelated to emission thresholds or amendments.
menu_book
wikipedia NEUTRAL — The president of the United States is the head of state and head of government of the United States, indirectly elected to a four-year term via the Electoral College. Under the U.S. Constitution, the …
https://en.wikipedia.org/wiki/List_of_presidents_of_the_Unit…
menu_book
wikipedia NEUTRAL — The is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is th…
https://en.wikipedia.org/wiki/The
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wikipedia NEUTRAL — The is the definite article in English. The, or THE, may also refer to:
https://en.wikipedia.org/wiki/The_(disambiguation)
schedule
Claim 10: “Pollution levels exceeded the World Health Organization’s recommended threshold for ambient nuisance odour of 5.02 parts per billion.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
check_circle
Claim 11: “The 'rotten egg' smell engulfing parts of Gauteng in January and March was traced to hydrogen sulphide from Sasol’s Secunda plant.”
CORROBORATED
Multiple web sources independently confirm Sasol's Secunda plant as the source of hydrogen sulphide causing the 'rotten egg' smell in Gauteng during January and March. The 2022 investigation explicitly links the smell to industrial emissions from the Sasol coal-to-liquids plant.
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wikipedia NEUTRAL — The Electricity sector in South Africa is an important part of energy in South Africa. Most power stations in South Africa are owned and operated by the state owned enterprise, Eskom. These plants acc…
https://en.wikipedia.org/wiki/Electricity_sector_in_South_Af…
travel_explore
web search NEUTRAL — Theheadlines and complaints about the "rottenegg"smellthat engulfed parts ofGautenginJanuaryandMarch may have faded, but air quality in South Africa remains a hot-button issue.
https://www.msn.com/en-za/news/other/clearing-the-air-govern…
travel_explore
web search NEUTRAL — Sasolis the largest private emitter of toxic air pollutants in Africa and the "most obvious cause of therotteneggodour," she said, noting it has already received multiple government ...
https://mg.co.za/the-green-guardian/2026-03-18-rotten-egg-sm…
+ 1 more evidence source
schedule
Claim 12: “Sasol is among the world’s highest emitters of hydrogen sulphide.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 13: “The policy interventions aim to provide long-term strategic solutions to reduce emissions and limit public exposure.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
help
Claim 14: “PM2.5 is considered the most dangerous environmental pollutant globally and in South Africa.”
INSUFFICIENT EVIDENCE
No evidence found in web searches or Wikipedia to support PM2.5 as the most dangerous pollutant globally or in South Africa.
help
Claim 15: “Hydrogen sulphide transforms into sulphur dioxide (SO2) and then into sulphates, a major component of PM2.5, in the atmosphere.”
INSUFFICIENT EVIDENCE
No evidence found in web searches or Wikipedia to support the atmospheric transformation of hydrogen sulphide into sulphates.
help
Claim 16: “PM2.5 refers to airborne particles smaller than 2.5 micrometres, mainly formed by burning coal and fuel.”
INSUFFICIENT EVIDENCE
No evidence found in web searches or Wikipedia to support the formation of PM2.5 from burning coal and fuel.
check_circle
Claim 17: “In August 2025, the Minister of Forestry, Fisheries and the Environment issued a notice proposing stricter limits on hydrogen sulphide emissions from coal gasification processes under Section 21 of the National Environmental Management: Air Quality Act (2004).”
CORROBORATED
Web search results and Wikipedia entries confirm the Minister of Forestry, Fisheries and the Environment issued a public comment notice in August 2025 proposing stricter hydrogen sulphide emission limits under Section 21 of the National Environmental Management: Air Quality Act.
menu_book
wikipedia NEUTRAL — The Department of Forestry, Fisheries and the Environment (DFFE) is one of the departments of the South African government. It is responsible for protecting, conserving and improving the South African…
https://en.wikipedia.org/wiki/Department_of_Forestry,_Fisher…
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wikipedia NEUTRAL — The Minister for Agriculture, Fisheries and Forestry is an Australian Government cabinet position which is currently held by Julie Collins since July 2024 in the Albanese ministry. In the Government o…
https://en.wikipedia.org/wiki/Minister_for_Agriculture,_Fish…
menu_book
wikipedia NEUTRAL — The Minister of Forestry, Fisheries and the Environment is the environment minister in the Cabinet of South Africa. The minister has political responsibility for the Department of Forestry, Fisheries …
https://en.wikipedia.org/wiki/Minister_of_Forestry,_Fisherie…
+ 3 more evidence sources
schedule
Claim 18: “A 2023 study by Crea and Greenpeace Africa found 42,000 deaths in South Africa from PM2.5 exposure.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 19: “The DFFE is classifying hydrogen sulphide as a primary 'criteria pollutant' under the National Environmental Management: Air Quality Act.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
help
Claim 20: “Children are especially at risk due to their faster breathing rates relative to body size.”
INSUFFICIENT EVIDENCE
No evidence found in web searches or Wikipedia to support the vulnerability of children to hydrogen sulphide exposure.
help
Claim 21: “At higher concentrations, hydrogen sulphide can lead to convulsions, loss of consciousness and severe respiratory complications.”
INSUFFICIENT EVIDENCE
No evidence found in web searches or Wikipedia to support the severe health impacts of high hydrogen sulphide concentrations.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.